GATE | GATE MOCK 2017 | Question 61

What will be the total minimum bandwidth of the channel required for 7 channels of 400 kHz bandwidth multiplexed together with each guard band of 20 kHz?
(A) 2800 khz
(B) 2600 khz
(C) 3600 khz
(D) 2920 khz


Answer: (D)

Explanation:
(for 6 guard band 20 * 6 = 120) + (for 7 channels 400* 7= 2800)
= 120+ 2800 = 2920 kHz


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